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Old 10-26-2012, 05:58 PM
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T-350 major leak

I have a th350 I bought used and was working great for the past couple of weeks but all of sudden it has a huge leak while running it doesn't leak while sitting or if I'm just turning the motor over

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Old 10-26-2012, 08:52 PM
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Originally Posted by prettyboyced View Post
I have a th350 I bought used and was working great for the past couple of weeks but all of sudden it has a huge leak while running it doesn't leak while sitting or if I'm just turning the motor over
Is it leaking from the front or the back of the trans...it sounds like a seal leaking when under pressure. If it's the rear seal it's an easy fix...Front seal...more difficult but, the first step is to find out where the leak is.

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Old 10-26-2012, 09:26 PM
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It's leaking from the front I had the car up in the air while it running and it's coming out from the front seal and if I pull the trans how will I figure out what is damage
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Old 10-26-2012, 09:53 PM
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Well the good news is that it's probably the front seal which means you need to pull the trans to be sure. The bad news is you got to pull the trans. Remove the converter and get a closer look.
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Old 10-26-2012, 11:14 PM
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Used trans? Possible the converter hub seal is leaking because the pump bushing moved forward into the lip seal. i'd check all parts up front, there are mroe than 1 seal there.

Seals on bolts, O-ring and gasket on the pump
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Old 10-27-2012, 09:35 AM
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Used trans? Possible the converter hub seal is leaking because the pump bushing moved forward into the lip seal. i'd check all parts up front, there are mroe than 1 seal there.

Seals on bolts, O-ring and gasket on the pump
Absolutely correct, when the trans is out, check all seals and for insurance it may be wise to replace all seals while it's apart.
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Old 11-20-2012, 03:55 PM
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After months I finally pulled the trans but really can't tell if it's the seal or not
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Old 11-29-2012, 08:41 AM
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It was the bushing in the pump
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